From 823a9dade6e36760a827aae6ac841b8c582a7935 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Mon, 18 Feb 2019 09:00:39 +0100
Subject: Use same population indexing in collide and stream

Increases consistency and should help to avoid confusion
---
 src/shader/code/collide.glsl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/shader/code/collide.glsl')

diff --git a/src/shader/code/collide.glsl b/src/shader/code/collide.glsl
index 3510c4e..23e98f9 100644
--- a/src/shader/code/collide.glsl
+++ b/src/shader/code/collide.glsl
@@ -44,7 +44,7 @@ float norm(vec2 v) {
 /// Array indexing
 
 uint indexOfDirection(int i, int j) {
-	return 3*(j+1) + (i+1);
+	return 3*(i+1) + (j+1);
 }
 
 uint indexOfLatticeCell(uint x, uint y) {
-- 
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